/*
 * Lazy Load - jQuery plugin for lazy loading images
 *
 * Copyright (c) 2007-2013 Mika Tuupola
 *
 * Licensed under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 *
 * Project home:
 *   http://www.appelsiini.net/projects/lazyload
 *
 * Version:  1.9.3
 *
 */

(function($, window, document, undefined) {
    var $window = $(window);

    $.fn.lazyload = function(options) {
        var elements = this;
        var $container;
        var settings = {
            threshold: 0,
            failure_limit: 0,
            event: "scroll",
            effect: "show",
            container: window,
            data_attribute: "original",
            skip_invisible: true,
            appear: null,
            load: null,
            placeholder: ""
        };

        function update() {
            var counter = 0;

            elements.each(function() {
                var $this = $(this);
                if (settings.skip_invisible && !$this.is(":visible")) {
                    return;
                }
                if ($.abovethetop(this, settings) ||
                    $.leftofbegin(this, settings)) {
                    /* Nothing. */
                } else if (!$.belowthefold(this, settings) &&
                    !$.rightoffold(this, settings)) {
                    $this.trigger("appear");
                    /* if we found an image we'll load, reset the counter */
                    counter = 0;
                } else {
                    if (++counter > settings.failure_limit) {
                        return false;
                    }
                }
            });

        }
        // 合并参数
        if (options) {
            /* Maintain BC for a couple of versions. */
            if (undefined !== options.failurelimit) {
                options.failure_limit = options.failurelimit;
                delete options.failurelimit;
            }
            if (undefined !== options.effectspeed) {
                options.effect_speed = options.effectspeed;
                delete options.effectspeed;
            }

            $.extend(settings, options);
        }

        /* Cache container as jQuery as object. */
        $container = (settings.container === undefined ||
            settings.container === window) ? $window : $(settings.container);

        /* Fire one scroll event per scroll. Not one scroll event per image. */
        if (0 === settings.event.indexOf("scroll")) {
            $container.bind(settings.event, function() {
                return update();
            });
        }
        //遍历图片集合
        this.each(function() {
            var self = this;
            var $self = $(self); //当前img 的jq对象

            self.loaded = false;

            /* If no src attribute given use data:uri. 设置占位符*/
            if ($self.attr("src") === undefined || $self.attr("src") === false) {
                if ($self.is("img")) {
                    $self.attr("src", settings.placeholder);
                }
            }

            /* When appear is triggered load original image. */
            $self.one("appear", function() {
                if (!this.loaded) {
                    if (settings.appear) {
                        var elements_left = elements.length; //图片总数
                        settings.appear.call(self, elements_left, settings);
                    }
                    $("<img />")
                        .bind("load", function() {

                            var original = $self.attr("data-" + settings.data_attribute);
                            $self.hide();
                            if ($self.is("img")) {
                                $self.attr("src", original);
                            } else {
                                $self.css("background-image", "url('" + original + "')");
                            }
                            $self[settings.effect](settings.effect_speed);

                            self.loaded = true;

                            /* Remove image from array so it is not looped next time. */
                            var temp = $.grep(elements, function(element) {
                                return !element.loaded;
                            });
                            elements = $(temp);

                            if (settings.load) {
                                var elements_left = elements.length;
                                settings.load.call(self, elements_left, settings);
                            }
                        })
                        .attr("src", $self.attr("data-" + settings.data_attribute));
                }
            });

            /* When wanted event is triggered load original image */
            /* by triggering appear.                              */
            if (0 !== settings.event.indexOf("scroll")) {
                $self.bind(settings.event, function() {
                    if (!self.loaded) {
                        $self.trigger("appear");
                    }
                });
            }
        });

        /* Check if something appears when window is resized. */
        $window.bind("resize", function() {
            update();
        });

        /* With IOS5 force loading images when navigating with back button. */
        /* Non optimal workaround. */
        if ((/(?:iphone|ipod|ipad).*os 5/gi).test(navigator.appVersion)) {
            $window.bind("pageshow", function(event) {
                if (event.originalEvent && event.originalEvent.persisted) {
                    elements.each(function() {
                        $(this).trigger("appear");
                    });
                }
            });
        }

        /* Force initial check if images should appear. */
        $(document).ready(function() {
            update();
        });

        return this;
    };

    /* Convenience methods in jQuery namespace.           */
    /* Use as  $.belowthefold(element, {threshold : 100, container : window}) */

    $.belowthefold = function(element, settings) {
        var fold;

        if (settings.container === undefined || settings.container === window) {
            fold = (window.innerHeight ? window.innerHeight : $window.height()) + $window.scrollTop();
        } else {
            fold = $(settings.container).offset().top + $(settings.container).height();
        }

        return fold <= $(element).offset().top - settings.threshold;
    };

    $.rightoffold = function(element, settings) {
        var fold;

        if (settings.container === undefined || settings.container === window) {
            fold = $window.width() + $window.scrollLeft();
        } else {
            fold = $(settings.container).offset().left + $(settings.container).width();
        }

        return fold <= $(element).offset().left - settings.threshold;
    };

    $.abovethetop = function(element, settings) {
        var fold;

        if (settings.container === undefined || settings.container === window) {
            fold = $window.scrollTop();
        } else {
            fold = $(settings.container).offset().top;
        }

        return fold >= $(element).offset().top + settings.threshold + $(element).height();
    };

    $.leftofbegin = function(element, settings) {
        var fold;

        if (settings.container === undefined || settings.container === window) {
            fold = $window.scrollLeft();
        } else {
            fold = $(settings.container).offset().left;
        }

        return fold >= $(element).offset().left + settings.threshold + $(element).width();
    };

    $.inviewport = function(element, settings) {
        return !$.rightoffold(element, settings) && !$.leftofbegin(element, settings) &&
            !$.belowthefold(element, settings) && !$.abovethetop(element, settings);
    };

    /* Custom selectors for your convenience.   */
    /* Use as $("img:below-the-fold").something() or */
    /* $("img").filter(":below-the-fold").something() which is faster */

    $.extend($.expr[":"], {
        "below-the-fold": function(a) {
            return $.belowthefold(a, {
                threshold: 0
            });
        },
        "above-the-top": function(a) {
            return !$.belowthefold(a, {
                threshold: 0
            });
        },
        "right-of-screen": function(a) {
            return $.rightoffold(a, {
                threshold: 0
            });
        },
        "left-of-screen": function(a) {
            return !$.rightoffold(a, {
                threshold: 0
            });
        },
        "in-viewport": function(a) {
            return $.inviewport(a, {
                threshold: 0
            });
        },
        /* Maintain BC for couple of versions. */
        "above-the-fold": function(a) {
            return !$.belowthefold(a, {
                threshold: 0
            });
        },
        "right-of-fold": function(a) {
            return $.rightoffold(a, {
                threshold: 0
            });
        },
        "left-of-fold": function(a) {
            return !$.rightoffold(a, {
                threshold: 0
            });
        }
    });

})(jQuery, window, document);

$(function() {
    /*init*/
    var wllist = function() {
        var c = $("img.imgload"),
            e = $('#location >li');
        return {
            c: c,
            e: e
        }
    }();

    var wlslide = {
        oUl: $('ul.visited-ul'),
        btnl: $('a.visitedbtnl'),
        btnr: $('a.visitedbtnr'),
        oh: $('ul.visited-ul > li:eq(0)').outerHeight(),
        len: $('ul.visited-ul > li').length,
        n: 0,
        s: function(o, n, h) {
            o.stop().animate({
                'top': n * h
            }, 500);
        }
    };

    wllist.c.lazyload({
        effect: "fadeIn"
    }); //failurelimit :2
    wllist.e.hover(function() {
        var c = $(this).children('.locat-more');
        if (c) {
            var length=c.children('dl').length;
            var width_val=130*length;
            if(width_val>=944){
                width_val=944;
            }
            c.css('width',width_val+'px').show();
        }
    }, function() {
        var c = $(this).children('.locat-more');
        if (c) {
            c.hide();
        }
    });

    /*历史记录*/
    wlslide.oUl.height(wlslide.oh * wlslide.len);
    wlslide.btnl.bind('click', function() {
        if (wlslide.len > 2 && Math.abs(wlslide.n) < wlslide.len - 1) {
            wlslide.n--;
            wlslide.s(wlslide.oUl, wlslide.n, wlslide.oh);
        }
    });
    wlslide.btnr.bind('click', function() {
        if (wlslide.len > 2 && wlslide.n < 0) {
            wlslide.n++;
            wlslide.s(wlslide.oUl, wlslide.n, wlslide.oh);
        }
    });

    $('div.content').bind('click.a', function(event) {
        var cur = $(event.target);
        if (cur.is('a') || cur.is('input')) {
            var parent = cur.closest('.filter-price-wrap');
            if (parent) {
                parent.siblings('.filter-price-wrap').children('.filter-price').css({
                    'background': 'none',
                    'height': 30 + 'px',
                    'border': '1px solid #f9f9f9'
                });
            }
            return;
        } else {
            $('div.filter-price').css({
                'background': 'none',
                'height': 30 + 'px',
                'border': '1px solid #f9f9f9'
            });
        }
    });

    var oul = $('#slide20');
    var num = $('#slide20 > li').length;
    var width = 192 * num;
    oul.css('width', width + 'px');
    wl.drag({
        'a': 'dragmove',
        'b': 'slide20',
        'c': width
    });

    var selectwrap = $('div.selectwrap');
    var selectwheight=selectwrap.height();
    var selectmorea=$('div.selectmore > a');
    if(selectwheight>142){
        selectwrap.css('height', 142 + 'px');
        selectmorea.css('display','inline-block');
    }

});

var wllistfn = {
    select: function(o) {
        var obj = $('div.selectwrap');
        var h = obj.height();
        if (h > 142) {
            obj.css('height', 142 + 'px');
            $(o).children('span').html('更多选项');
        } else {
            obj.css('height', 'auto');
            $(o).children('span').html('收起');
        }
    },
    filter_pf: function(o) {
        var obj = $(o);
        obj.closest('.filter-price').css({
            'background': '#fff',
            'height': 70 + 'px',
            'border': '1px solid #ccc'
        });
    },
    filter_reset: function(o) {
        var obj = $(o);
        var inputs = obj.closest('.filter-priceb').siblings('.filter-pricet').children('input');
        inputs.each(function() {
            $(this).val('');
        });
    }

};